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https://issues.apache.org/jira/browse/BEAM-3355?focusedWorklogId=88251&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-88251
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ASF GitHub Bot logged work on BEAM-3355:
----------------------------------------
Author: ASF GitHub Bot
Created on: 05/Apr/18 22:09
Start Date: 05/Apr/18 22:09
Worklog Time Spent: 10m
Work Description: wcn3 commented on a change in pull request #4311:
[BEAM-3355] Diagnostic interfaces
URL: https://github.com/apache/beam/pull/4311#discussion_r179614779
##########
File path: sdks/go/pkg/beam/core/runtime/harness/session.go
##########
@@ -213,3 +186,59 @@ func recordFooter() error {
},
})
}
+
+// CaptureHook writes the messaging content consumed and
+// produced by the worker, allowing the data to be used as
+// an input for the session runner. Since workers can exist
+// in a variety of environments, this allows the runner
+// to tailor the behavior best for its particular needs.
+type CaptureHook io.WriteCloser
+
+// CaptureHookFactory produces a CaptureHook from the supplied
+// options.
+type CaptureHookFactory func([]string) CaptureHook
+
+var captureHookRegistry = make(map[string]CaptureHookFactory)
+var enabledCaptureHook string
+
+func init() {
+ hf := func(opts []string) hooks.Hook {
+ return hooks.Hook{
+ Init: func(_ context.Context) error {
Review comment:
The hooks are invoked inside the harness package via the entry points
'recordInstructionRequest' and 'recordInstructionResponse' that apply a
serialization format and then invoke the registered hooks.
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Issue Time Tracking
-------------------
Worklog Id: (was: 88251)
Time Spent: 5h 50m (was: 5h 40m)
> Make Go SDK runtime harness hooks pluggable
> -------------------------------------------
>
> Key: BEAM-3355
> URL: https://issues.apache.org/jira/browse/BEAM-3355
> Project: Beam
> Issue Type: Improvement
> Components: sdk-go
> Reporter: Henning Rohde
> Assignee: Bill Neubauer
> Priority: Minor
> Time Spent: 5h 50m
> Remaining Estimate: 0h
>
> We currently hardcode cpu profiling and session recording in the harness. We
> should make it pluggable instead.
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